Opera 11 beta introduces tab stacking. A better way to organize your tabs, grouping them by site or by theme. Tab stacking reduces clutter and makes it easier to identify and work with sets of open tabs.

Further Highlights

Opera 11 also introduces Extensions, browser add-ons that enhance the capabilities of Opera. In the three weeks since extensions debuted in the alpha release of Opera 11, more than 500,000 extensions have been downloaded.Thanks to a new developer mode in Opera 11 beta, extensions are even easier to make. Developers can use the developer mode to launch, test and package extensions quickly.

Mouse gestures provide a simple and effective way to control Opera with a few simple mouse movements.In Opera 11, a new visual interface highlights mouse paths and helps guide the discovery, use and mastery of these powerful shortcuts.

More Highlights

The address field now hides unnecessary information and puts the security status of each page front and center. Now, badges explain the security state of the site, giving consumers clear information about the sites they visit.

Plug-ins can be set to load on-demand. This can give as much as 30 percent performance improvement.